Home / 102,772.20-154,244.70-50,226.60

Finding the Fourth Proportional to 102,772.20, 154,244.70 and 50,226.60

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Solution

The fourth proportional to 102,772.20, 154,244.70 and 50,226.60 is: 75,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,772.20 : 154,244.70 = 50,226.60 : x
  2. Step 2: Convert to fraction form
    102,772.20/154,244.70 = 50,226.60/x
  3. Step 3: Cross multiply
    102,772.20x = 154,244.70 × 50,226.60
  4. Step 4: Simplify right side
    102,772.20x = 7,747,186,849.02
  5. Step 5: Solve for x
    x = 7,747,186,849.02/102,772.20
  6. Step 6: Final answer
    x = 75,382.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.